on occasion . on occasion {adv. phr.} Sometimes; occasionally. We go to New York on occasion. On occasion we feel like celebrating and have a party. Compare: ONCE IN A WHILE, FROM TIME TO TIME. Categories: add yours time {adv. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: O Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry